OBD-II Diagnostic Trouble Code
P1521
Incorrect Engine Oil Type
P
Powertrain
engine / trans
engine / trans
1
Mfr
manufacturer code
manufacturer code
5
Speed / idle / inputs
21
Incorrect Engine Oil Type
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Chrysler
System
Powertrain
Model
300C
Years
2005-2010